(19)

(11)

EP 1 490 806 A1

(12)

(43) Date of publication: 29.12.2004 Bulletin 2004/53 (21) Application number: 02715276.8 (22) Date of filing: 04.04.2002

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/US2002/010641 (87) International publication number: WO 2003/085575 (16.10.2003 Gazette 2003/42)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: G. LLC Des Moines, IA 50312 (US)	(72) Inventor: CANNEY, Michael, L. Des Moines, IA 50312 (US) (74) Representative: Tomkinson, Alex  Bailey Walsh & Co5 York Place Leeds LS1 2SD Leeds LS1 2SD (GB)